{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xddc961d8365b2c81c97c595e79bc6a3f83de1b51edb0dbac2e50fa46cc7dd240",
    "signature": "0xa4faba6a38e04988f655e5abf164d4ff85e51735ec6fb26376b1eb8025d4af4d50e7a87e014b0eaab8b48696b9c667a8988a80b5e7f0aa87ba2828c78a2382311b",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}